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BrainBashers - http://www.brainbashers.com/
Brain teasers, puzzles, riddles, games and optical illusions. |
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Puzzability - http://www.puzzability.com/
Some real mind benders here. |
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Archimedes' Laboratory - http://www.archimedes-lab.org
Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities. |
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Thinks.com - http://www.thinks.com/
Recreations for active minds including games, puzzles, math, words, images, books, software and web guide. |
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The Grey Labyrinth - http://www.greylabyrinth.com/
A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles. |
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A Game A Day - http://www.agameaday.com
A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable. |
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The Amazing Art Site - http://members.lycos.nl/amazingart/
Huge collection of optical illusions, hidden imagery, ambiguous art and upside downs. |
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National Puzzlers' League - http://www.puzzlers.org/
Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list. |
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Braingle - http://www.braingle.com/
Includes a huge collection of user submitted and rated brain teasers and riddles. It also has a message board and some unique multi-player games. |
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Planetarium - http://www.beholder.co.uk/planetarium
An on-line puzzle story in twelve weekly installments. |
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Rec.puzzles Archive - http://rec-puzzles.org/
An archive of many popular puzzles from the rec.puzzles newsgroup. |
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Curiouser.co.uk - http://www.curiouser.co.uk
Paradoxes, puzzles, games, optical illusions, poetry, curious facts, and quotations. |
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Bill's Brain Teasers - http://www.billsgames.com/brain-teasers/
A collection of visual and linguistic riddles. |
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Brain Teasers - http://brainden.com/
Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games. |
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BrainBall - http://brainball.playwithyourmind.com/
A daily brain puzzle with 10 different tasks and a variety of statistics on your performance. |
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http://www.pzzls.com - http://www.pzzls.com
A collection of logic puzzles, riddles and brain teasers. |
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Gray Watson's Brain Teasers and Riddles - http://256.com/gray/teasers/
A collection of brain teasers and riddles with a guess button. |
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Professor Tangent - http://www.professortangent.org
Have fun with games, puzzles, brainteasers and humor as you learn about logic and analysis. |
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Eluzions - http://eluzions.com/
Featuring all sorts of games, optical illusions, puzzles, trivia, mazes, and magic tricks. Suitable for all ages. |
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Word Juxtapoz - http://www.wordjuxtapoz.com/
Word puzzles, riddles, rebuses, brain teasers, mazes, cliparts and pictures. |
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iRIDDLER - http://www.iriddler.com
Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions. |
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Brain Teaser World - http://www.brainteaser-world.com/
Offers riddles, puzzles, optical illusions, and magic tricks. |
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BrainBoggled.com - http://www.brainboggled.com/
A collection of math, logic, and word puzzles. |
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The Logic Zone - http://myweb.tiscali.co.uk/thelogiczone/
Collection of problems with answers, logic puzzles and cryptograms. |
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Confusion - http://cnfsn.tripod.com/
It's a challenge to reach the end of this puzzle maze. |